text: #include "syslib.h"
  
  /*===========================================================================*
   *                                sys_voutb				     *
   *===========================================================================*/
  PUBLIC int sys_voutb(pvb_pairs, nr_ports)
  pvb_pair_t *pvb_pairs;			/* (port,byte-value)-pairs */
  int nr_ports;				/* nr of pairs to be processed */
  {
      message m_io;
      m_io.DIO_TYPE = DIO_BYTE;
      m_io.DIO_REQUEST = DIO_OUTPUT;
      m_io.DIO_VEC_ADDR = (char *) pvb_pairs;
      m_io.DIO_VEC_SIZE = nr_ports;
      return _taskcall(SYSTASK, SYS_VDEVIO, &m_io);
  }
  
  
  